Find upward force on glass as a result of surface effects
A glass tube is inserted in Mercruy. What is the upward force on the glass as a result of surface effects? Constant angle of 50 degrees inside and outside of the tube. The temperature is 20 degrees celsius.
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The acceleration of a particle traveling along a straight line is a=(8-2s) m/s2, where s is in meters. If v=0 at s=0, determine the velocity of the particle at s=2m, and the position of the particle when the velocity is maximum.
A plastic bag is filled with 1 ft3 of air at 17 degree C at atmospheric pressure. What is volume at 2 atm pressure? What is the volume at 50.5 Pa of pressure?
Compute a 95% CI for the true average porosity of a certain seam if the average porosity for 20 specimens from the seam was 4:85. How large a sample size is necessary if the width of the 95% interval is to be :40?
If a football is kicked at a 45 degree angle, determine its minimum initial speed Va so that it passes over the goal post at C. At what distance from the goal post will the football strike the ground at B.
What is the upward force on the glass as a result of surface effects? Constant angle of 50 degrees inside and outside of the tube. The temperature is 20 degrees celsius.
Calculate the number of one-liter gas cylinders required to store 1.0 kg of Ethylene gas at room temperature. The gas cylinders are rated for a maximum pressure of 3.0 MPa.
A gas in a piston-cylinder assembly undergoes two processes in series. From state 1 to state 2 there is energy transfer by heat to the gas with a magnitude of 375 kJ, and the gas does work on the piston with a magnitude of 685 kJ.
A plastic rod that has been charged to -15.0 nC touches a metal sphere. Afterward, the rod's charge is -10.0 nC. What kind of charged particle was transferred between the rod and the sphere?
Three couples and two single individuals have been invited to a party. Assume independence of arrivals to the party, and that the probability pf any particular individual or any particular couple arriving late is :4 (the two members of a couple ar
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